Stunning Landscape Design in Long Island NY

Since 2002, Platinum Site Development has been one of Long Island's most prestigious and award-winning landscape development companies, specializing in sophisticated residential and commercial projects.

Platinum Site Development is a full-service design and build firm, where your project is taken from concept to completion all in-house. Our award-winning designers lead the creative vision, while experienced project managers execute it with the precision of a symphony orchestra—ensuring that every feature, from architectural plantings to custom poolscapes, functions as part of a cohesive, elevated space.